Integument Flashcards
Secretion of eccrine sweat is controlled by what
Sympathetic Cholinergic fibers
What blocks eccrine secretions
Atropine
Causes of hyperhidroisis
Obesity, menopause, hyperthyroidism,diabetes mellitus
Anhydrosis
Skin trauma, congenital conditions
Hypertrichosis
Overproduction of hair
Lanugo
Intra-uterine
Babies are born with it
Vellus
Fine short hair on face,arms
Terminal
Longer, dark coarser hair on scalp, armpit
Anagen
Active hair growth
Catagen
Transition phase
Telogen
Resting phase
Exogen
Shedding
Alopecia
Associated with male hormone,Dihydrotestosterone that causes follicles to maniture hence hair loss
Why hormones stimulate melanogenesis
Adrenocorticotrophic hormome(ACTH), oestrogen, alpha-melanocyte stimulating hormone
Estrogen
Development of duct system
Progesterone
Development of glandular tissue stroma
Prolactin
Growth of mammary
What inhibits prolactin
Prolactin inhibiting hormone or dopamine
What synthesis the enzyme needed for milk production and nutrition to fetus
Human Chorionic somatomammoteopin (hCs) or human placental lactogen
What helps thicken a woman’s uterine lining to support a growing embryo and tells the body to stop menstruating
Human Chorionic gonadotropin hormone
Initiation of milk secreted by prolactin
Lactogenesis
Maintenance of milk secretion by GH, thyroxine, cortisol
Galactopoiesis
Milk ejection by oxytocin
Galactokinesis